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Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The prefixes enable international direct dialing (IDD). Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's.
For international access the NANP is assigned the country code 1, which is dialed as a prefix in the international E.164 telephone numbering plan.. The trunk prefix for dialing long-distance calls, across numbering plan area (NPA) boundaries within Canada or to other NANP countries, is also 1.
There is an international format for recording a telephone number containing the country code, settlement code and telephone number, and the national format containing the settlement code and telephone number. To record Ukrainian telephone numbers, telephone codes for settlements do not have an initial zero, long-distance prefix: 0.
example 971 500 000 000 with country code is 12 digits 52: Du: example 971 520 000 000 with country code is 12 digits 53: Virgin Mobile: example 971 530 000 000 with country code is 12 digits 54: Etisalat: example 971 540 000 000 with country code is 12 digits 55: Du: example 971 550 000 000 with country code is 12 digits 56: Etisalat
This is a list of international dialing prefixes used in various countries for direct dialing of international telephone calls.These prefixes are typically required only when dialling from a landline, while in GSM-compliant mobile phone (cell phone) systems, only the symbol + before the country code may be used [citation needed] irrespective of where the telephone is used at that moment; the ...
The E.164 standard of the International Telecommunication Union is an international numbering plan and establishes a country calling code (country code) for each member organization. Country codes are prefixes to national telephone numbers that denote call routing to the network of a subordinate number plan administration, typically a country ...
E.164 defines a general format for international telephone numbers. Plan-conforming telephone numbers are limited to only digits and to a maximum of fifteen digits. [1] The specification divides the digit string into a country code of one to three digits, and the subscriber telephone number of a maximum of twelve digits.
This code specifies that the entire number should be 15 digits or shorter, and begin with an international calling prefix and a country prefix. For most countries, this is followed by an area code, city code or service number code and the subscriber number, which might consist of the code for a particular telephone exchange .